Adaptive Mesh Refinement in Titanium.

Wen, T. ; Colella, P.

Technical Information Center Oak Ridge Tennessee

关键词: Adaptive mesh refinement;    Parallel programming;    Case studies;    Programming languages;    Partial differential equations;   

RP-ID  :  DE2005841568

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

In this paper, we evaluate Titanium's usability as a high-level parallel programming language through a case study, where we implement a subset of Chombo's functionality in Titanium. Chombo is a software package applying the Adaptive Mesh Refinement methodology to numerical Partial Differential Equations at the production level. In Chombo, the library approach is used to parallel programming (C++ and Fortran, with MPI), whereas Titanium is a Java dialect designed for high-performance scientific computing. The performance of our implementation is studied and compared with that of Chombo in solving Poisson's equation based on two grid configurations from a real application. Also provided are the counts of lines of code from both sides.